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Q1) Fry Brothers Heating and Air Conditioning, Inc., employs Larry Clark and George Murnen to make service calls to repair furnaces and air conditioning units in homes. Tom Fry, the owner, would like to recognize whether there is difference in mean number of service calls they make per day. Suppose population standard deviation for Larry Clark is 1.05 calls per day and 1.23 calls per day for George Murnen. Random sample of 40 days last year illustrated that Larry Clark made the average of 4.77 calls per day. For the sample of 50 days George Murnen made the average of 5.02 calls per day. At.05 significance level, is there a difference in mean number of calls per day between 2 employees? Compute the p-value?
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